ArticlePlant molecular biology2019
Generation of a selectable marker free, highly expressed single copy locus as landing pad for transgene stacking in sugarcane.
Article in Plant molecular biology, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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Who cites it
7 citing papers in PubMed, 19 citations in OpenAlex.
- T-DNA orientation, distance between two T-DNAs, and the transformation target cells significantly impact vector backbone integration and efficiency of generating marker-free transgenic plants in a co-transformation system.The Plant journal : for cell and molecular biology · 2025Article
- Application of a multiplex CRISPR/Cas9 strategy for elimination of selection markers from transgenic plants.Frontiers in genome editing · 2025Article
- Recent advances in site-specific transgene insertion into the maize genome using recombinases and genome editing endonucleases.Frontiers in plant science · 2025Review
- Comparing four heat-inducible promoters in stably transformed sugarcane regarding spatial and temporal control of transgene expression reveals candidates to drive stem-preferred transgene expression.Frontiers in plant science · 2025Article
- Expression ofInternational journal of molecular sciences · 2022Article
- Genetic Transformation of Sugarcane, Current Status and Future Prospects.Frontiers in plant science · 2021Review
- Differentiation of Tracheary Elements in Sugarcane Suspension Cells Involves Changes in Secondary Wall Deposition and Extensive Transcriptional Reprogramming.Frontiers in plant science · 2020Article
Corrections and comments
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Authors and funding
13 authors at 4 institutions in 2 countries.
Funding
Abstract
key messageA selectable marker free, highly expressed single copy locus flanked by insulators was created as landing pad for transgene stacking in sugarcane. These events displayed superior transgene expression compared to single-copy transgenic lines lacking insulators. Excision of the selectable marker gene from transgenic sugarcane lines was supported by FLPe/FRT site-specific recombination. Sugarcane, a tropical C4 grass in the genus Saccharum (Poaceae), accounts for nearly 80% of sugar produced worldwide and is also an important feedstock for biofuel production. Generating transgenic sugarcane with predictable and stable transgene expression is critical for crop improvement. In this study, we generated a highly expressed single copy locus as landing pad for transgene stacking. Transgenic sugarcane lines with stable integration of a single copy nptII expression cassette flanked by insulators supported higher transgene expression along with reduced line to line variation when compared to single copy events without insulators by NPTII ELISA analysis. Subsequently, the nptII selectable marker gene was efficiently excised from the sugarcane genome by the FLPe/FRT site-specific recombination system to create selectable marker free plants. This study provides valuable resources for future gene stacking using site-specific recombination or genome editing tools.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.